Santa Fe Advance90 Dehumidifier

3.5 out of 5 stars 4 Reviews | 2 Q&A

Santa Fe Advance90 Dehumidifier

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Average Rating

3.5 out of 5 stars Rating: 3.3

4 Reviews | 2 Q&A

Product Overview

Santa Fe Advance90 Dehumidifier, previously known as Santa Fe Advance2, is one of the best products in the dehumidifier business. Removing 90 pints of water everyday from the air, it will do the work of multiple conventional dehumidifiers. Santa Fe Advance2 exceeds the Energy Star rating for energy efficiency. It controls humidity for a 2200 sq. ft. space. Santa Fe Advance90 has one of the best filters among other competitors.

Features of Santa Fe Dehumidifiers also include:

  • Quiet Operation Noise - Well engineered, powder-coated steel structure makes this dehumidifier one of the quietest on the market.
  • Low Temperature Operation - Working at temperatures that other dehumidifiers just can't handle, the Santa Fe Advance90 keeps working diligently.
  • Auto Restart - All Santa Fe dehumidifiers have automatic restart capability after any power outage. They even keep all the same settings.
  • Large Capacity - The Santa Fe Advance90 can remove a large amount of moisture from the air, up to 90 pints a day out of a 2200 sq. ft. area, doing the job of several competing dehumidifiers.
  • Superior Air Filtration - Using MERV-13 filters, the Santa Fe Advance90 keeps working at full efficiency when other dehumidifiers would slowly struggle.

How does Santa Fe prevent humidity from damaging your property? The Santa Fe dehumidifiers prevent mold, mildew and pests from ever growing, keeping your property safe from any damage these might cause and keep your home environment comfortable and healthy.

Dehumidifiers are important because wet crawlspaces and basements are the main factor for the eventual destruction of floor joists, beams, insulation, and electrical and mechanical systems. Excessive moisture encourages the growth of mold on wood and on other organic material in crawl spaces. All these things lead to a large amount of damage to your property. This Advance2 dehumidifier will remove moisture from your basement or crawlspaces to prevent the growth of mildew, rust, mold, biological allergens, musty odors, bacteria and even dust mites and other pests. 

The EPA recommends keeping humidity levels below 50%, to keep all those issues from occurring. Just attach a tube to the water output valve, place the tube where you want it to go, plug the dehumidifier in and watch it go. The dehumidifier works in all environments as well, including wine cellars, gun vaults, home libraries, car collections, and historical homes.

All Santa Fe dehumidifiers work by using their refrigeration systems to collect the water from the surrounding air. The air is cooled so that the moisture condensates onto a coil, which collects and directs the water into the drain hose, by the force of gravity. The dehumidified air is then used to help with the cooling process before being reheated and released through the exhaust vents on the sides of the dehumidifier.

Two optional accessories provide the best flexibility in installation. 

  • Santa Fe Dehumidifier Duct Kit, Supply Only (4033039). If you need to hide the dehumidifier in a closet and need to treat an adjoining room, this kit is for you. Even if you need to move air from one room to another, this kit has you covered. Check the Duct Kit attachment for more information.
  • Santa Fe Dehumidifier Pump Kit (4033038). If you need to move the water upward or you need to move the water a long distance, then this accessory is for you. This is a great option if draining by gravity is not available or ideal. It is energy efficient, only working when needed and is a great add-on for the dehumidifier in a lot of situations. Check the Pump Kit attachment for more information.

If you need any other accessories for the Santa Fe Advance2, we have it here for you.

Runs off of 640 watts on average and draws 5.7 amps while operating. The energy efficiency is 6.4 pints of water per kilowatt hour.

Features and Specs

For use in Basements, crawlspaces, wine cellars, gun vaults, home libraries, car collections, historical homes and other indoor humid areas.
Yield Removes up to 90 pints of water per day
Dimensions 14.5 inches wide by 19.4 inches high by 26 inches long by 80 lbs
Coverage Area 2200 sq. ft.
Voltage 115 V
Color White
Hose Length (in.) 5/8 inches by 96 inches
Special Features Quiet operation, high efficiency, large capacity, low temperature operation, superior air filtration, auto restart, optional equipment
Warranty 6 Year Limited Warranty:
2 Years Full Warranty Parts and Labor
3 to 6 Years Component Warranty - including (Compressor, Evaporator Coil, and Condenser Coil)
Parts Included Santa Fe Advance90 Dehumidifier, a MERV-13 filter, 4 leveling feet, a power cord, a drain hose and an owner's manual.
Shipping Weight 95.00 lbs
Manufacturer Santa Fe Dehumidifiers (Mfg. Number: 4034180)


Capacities for residential dehumidifers are measured in pints of water removed per day at standard conditions (80 degrees F and 60% RH) determined by the American Home Appliance Manufacturers. At these conditions, the capacity of the Santa Fe Advance90 is 90 pints per day as compared to 20 - 65 pints from standard residential units. However, most basements and crawlspaces are cooler than 80 degrees F so the water removal capacity of the standard unit will be lowered significantly. A large dehumidifier such as the Santa Fe Advance90 is necessary that moisture is removed at real world temperature of your crawlspace or basement to prevent mold, bacteria and mildew growth. This Santa Fe Advance90 is designed for these cooler applications.

Intended Application(s)
The Santa Fe Advance90 is intended for use in crawlspaces or basements: however, the unit can be placed in almost any residential setting where dehumidification is desired. Use in non-residential applications and pool areas may void warranty.
The Santa Fe Advance90 works most effectively between 56° and 95°. In order to efficiently control humidity levels, the area in which the dehumidifier is to be operated must be free of water intrusion or excessive fresh (outside) air infiltration. Before installing the Santa Fe Advance90, water intrusion and air infiltration problems should be addressed.


CAUTION! Remove compressor shipping tie from the unit. Failure to remove shipping tie will cause excess vibration to be transmitted to the frame.
 Remove Compressor Shipping Support

The Santa Fe Advance90 uses a compressor to power the refrigeration system. To protect the compressor and refrigeration system during shipping a plastic tie wrap secures it to the units frame. Remove the tie wrap by cutting the tie wrap and pulling from the unit as shown. After removing tie wrap, insert plastic plugs provided into the holes.

The Santa Fe Advance2 can be installed in a variety of locations to meet the owner’s needs; other considerations include:

1. Providing access to a 115 VAC power outlet (10' power cord is provided).

2. Locating near a floor or other suitable drain.

3. Mount 4" above drain.

4. Do not install the Santa Fe Advance90 with the exhaust of the unit within 1' of a wall or obstruction. Do not place the unit near open water. 

No Ducting

The simplest installation is to place the Santa Fe Advance90 with no ducting. To ensure optimal performance, the air inlet and the outlet of the unit must be at least 1' from walls and other obstructions to air flow.

Duct Outlet

Dehumidification performance can be modified by adding an outlet duct to circulate air.

Remote Area, w/Outlets Ducted

A simplified remote installation method than above uses ducting between the Santa Fe Advance90 discharge and the humid room; the Santa Fe Advance90 inlet draws air from the room in which it’s located. This works well if there is an adequate air flow path between the two rooms; e.g. high door undercut, louvered door or wall grill. This eliminates the need to remote mount the humidity control.

Electrical Requirements

The Santa Fe Advance90 plugs into a common grounded outlet on a 110-120 VAC 15-Amp circuit. While operating, it draws less than 6 amps @ 80°F, 60% RH and less than 5.5 amps @ 75°F, 50% RH. Use of a ground fault circuit interrupter (GFCI)
protected circuit is recommended. The unit should not be used in areas prone to flooding.

Installing Feet

Included with your Santa Fe Advance90 are four leveling feet. It is important to level the unit for proper draining.

Installing Leveling Feet

1. Lay down a protective pad (pillow, blanket, etc.).

2. Carefully turn unit onto side opposite drain port.

3. Align leveling foot shaft with one of the four threaded hole locations as shown in Figure 2.

4. Screw each leveling foot in ten revolutions.

5. Carefully bring unit to upright position.

6. Level unit for proper water drainage.

7. Wait 10 minutes before operating.

Note: Operating the unit immediately after bringing it to an upright position can possibly damage the compressor. A short amount of time is needed (10 minutes) to allow the oil to return to it’s reservoir for lubrication.

For proper drainage, the unit must be mounted so the drain outlet is at least 4" above the floor drain, and must be fully supported under the base.

Condensate Water Removal

The Santa Fe Advance90 drains via gravity, therefore, it does not have the ability to push condensate (water) uphill. The drain hose must run downhill toward the drain location. Condensate can be drained by using the 5/8” clear vinyl hose and the 3/4”
threaded adapter provided. Ensure the threaded adapter is threaded in tightly.

The Santa Fe Advance90 drains via gravity, therefore, it does not have the ability to push condensate (water) upwards. The drain hose must run down towards the drain location. Condensate can be drained by using the 5/8” clear vinyl hose and the 3/4”
threaded adapter provided. Ensure the threaded adapter is threaded in tightly.

The Santa Fe Advance90 requires a drain trap. Creating a drain trap allows a small amount of water to build up in the trap area of the clear hose. This prevents air from back flowing through the hose and into the dehumidifier; essentially causing the unit
to backflow water out of the corners of the machine. Position the trap in the hose approximately 8"-10” from the dehumidifier and make sure the highest point of the trap is still at least 2”below the black drain port adapter on the dehumidifier. If the
highest point of the trap is above the drain port, water will back flow into the dehumidifier. Check the hose regularly to ensure water is draining properly.


Duct Kit (P/N 4033039)
A factory designed outlet duct kit can be purchased to accept 10" ducting to both outlets of the Santa Fe Advance90.


Humidity Control Adjustment
The humidity control is an adjustable switch that closes when the relative humidity of the air in which it is located rises to the dial set point. It opens when the RH drops 4 to 6% below the set point.

Approximate Humidity Levels Per Setting:
“Drier” 20% to 30% Relative Humidity
“Normal” 45% to 55% Relative Humidity
“Humid” 80% to 90% Relative Humidity

The dehumidifier will run until the relative humidity (RH) is reduced to the humidity control dial setting. Quality humidity meters are available from the factory and are recommended to accurately monitor humidity levels. Refer to the options and accessories table in this document.

Fan Switch

Turning the impeller switch to “FAN ON” will cause the unit’s internal impeller to run continuously, whether the unit is dehumidifying or not. This function is desirable if the unit is used for air circulation. Turning the fan switch to “FAN AUTO” will cause the unit’s internal blower to run only while the unit is dehumidifying.


NOTE: Do not operate the unit without the filter or with a less effective filter. The heat exchange coils inside the unit could become clogged and require disassembly to clean.

Air Filter

The Santa Fe Advance90 ships with a standard MERV 13 pleated fabric filter. This should be checked every six months. The pleated fabric filter can generally be vacuumed clean several times before needing replacement. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle on and off unnecessarily. Replacement filters can be ordered from your dealer.


Servicing the Santa Fe Advance2 with its high pressure refrigerant system and high voltage circuitry presents a health hazard which could result in death, serious bodily injury, and/or property damage. Only qualified service people should service this unit.

Technical Description

The Santa Fe Advance90 uses a refrigeration system similar to an air conditioner’s to remove heat and moisture from incoming air, and add heat to the air that is discharged. Hot, high pressure refrigerant gas is routed from the compressor to the condenser coil. The refrigerant is cooled and condensed by giving up its heat to the air that is about to be discharged from the unit. The refrigerant liquid then passes through a filter/drier and capillary tubing which cause the refrigerant pressure and temperature to drop. It next enters the evaporator coil where it absorbs heat from the incoming air and evaporates.

The evaporator operates in a flooded condition, which means that all the evaporator tubes contain liquid refrigerant during normal operation. A flooded evaporator should maintain constant pressure and temperature across the entire coil, from inlet to outlet. The mixture of gas and liquid refrigerant enter the accumulator after leaving the evaporator coil. The accumulator prevents any liquid refrigerant from reaching the compressor. The compressor evacuates the cool refrigerant gas from the accumulator and compresses it to a high pressure and temperature gas to repeat the process.



  • If the unit does not work properly, please check the following:

— Is the unit unplugged?
— Is power to outlet on? (check switch, if applicable)
— Is circuit breaker tripped?
— Is humidity control set? (turn to “ON”)
— Is air flow restricted? (check air filters and grill)
If none of the above, call dealer.


  • No dehumidification. Neither blower, nor compressor run with fan switch AUTO.

1. Unit unplugged or no power to outlet, circuit breaker tripped.
2. Humidity control set to “Humid” setting.
3. Loose connection in internal wiring.
4. Humidity control is defective.

  • No dehumidification. Compressor does not run but blower runs with fan switch AUTO and humidity control turned to ON.

1. Defrost thermostat open, ambient temperature too low.
2. Loose connection in compressor circuit.
3. Defective compressor overload.
4. Defective compressor or compressor run capacitor.

  • Blower runs with fan switch AUTO but compressor cycles on & off.

1. Low ambient temperature and/or humidity causing unit
to cycle through defrost mode.
2. Defrost thermostat defective.
3. Defective compressor overload.
4. Defective compressor.

  • Blower does not run with fan switch in either position. Compressor runs briefly but cycles on and off.

1. Loose connection in blower circuit.
2. Obstruction prevents impeller rotation.
3. Defective blower.
4. Defective blower switch.

  • Evaporator coil frosted continuously, low dehumidifying capacity.

1. Dirty air filter or air flow restricted.
2. Defrost thermostat loose or defective.
3. Low refrigerant charge.

Refer to Manual for full instructions.

5 stars   2
4 stars   0
3 stars   0
2 stars   1
1 star   1
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  • 2 of 5 Stars

    Not Worth The Money

    By William on 11/05/2017

    When it works it works really well but keeping them working is a chore! I have two of these. The first one did not last six months before the compressor stopped working. It was replaced by the company. The second one worked approximately 2 years before it stopped working. The compressors seem to be crap. I expect a heck of a lot more for the price

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    21 of 22 people found this review helpful

  • 5 of 5 Stars

    Advance 2

    By Aaron on 09/06/2017

    This unit was very easy to set up. I had very damp conditions in a large crawl space. In 24 hours it removed all condensation from cold water pipes and flex ducts. In 48 hours all condensation from duct boards and air handler ended. Puddles on plastic have dried up. I placed a collar on one outlet and ran flex duct to a connecting crawl space under an in-law suite and the advance 2 dehumidifies both spaces thoroughly.

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    7 of 7 people found this review helpful

  • 5 of 5 Stars

    Santa Fe Advance 2

    By Dale on 05/09/2017

    Great Very quiet turns on as needed based on setting

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    5 of 7 people found this review helpful

  • 1 of 5 Stars

    Santa Fe Advance

    By Bob on 09/26/2021

    My personal experience...Purchased the Advance in 2014. Within a year it stopped working. Within the Warranty so crated it and shipped it back. About 5 weeks later it was returned. Turned it on in the Garage prior to hauling it into the crawlspace...nothing. Took it into a bathroom and cranked the shower up. Let it operate for an hr per advice of the Company Rep...nothing. Crated it again and returned it. Another bunch of weeks, finally arrived. This time the garage test worked. Into the Crawlspace and performed well for two years then nothing. Issue I see it they mostly use Copper tubing. Hand brazed. Most major HVAC suppliers have all gone to Aluminum tubing/evaporators and their useful life has doubled. Copper and brazing areas seem to leak over time??? Also, on Amazon the comments for several of these units is N/A or locked??? This was a very expensive unit, and no condensate pump. Again, my experience only.

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    4 of 4 people found this review helpful

See all 4 customer reviews

Questions & Answers

Have a question about this product?
Sort Questions
How is warranty service obtained for the Santa Fe Advance 2? Is it in home or via local repair service?
According to the Santa Fe Advance 2 manual, you will contact the manufactuer directly at 800-533-7533 for all repairs and warranty needs.

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4 of 8 people found this answer helpful

How much is the cost for an extended warranty for a Santa Fe Advance 2 and the condensate pump and the crawl space alert?

There are no extended warranties available for the Santa Fe Humidifiers or parts. The Santa Fe Advance 2 has a 2 year warranty on parts and labor and a 5 year warranty on sealed systems, however, the full warranty would have to be arranged with a professional installer. Please contact Santa Fe directly at 800-533-7533 with further warranty questions.

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3 of 3 people found this answer helpful

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Santa Fe Advance90 Dehumidifier 3.5 out of 5 stars Rating: 3.3 (4 Reviews / 2 Q&A)

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